Support diffs Jupyter Notebooks (.ipynb files)

[KasperZutterman]

Jupyter notebooks are hard to version control.

It would be nice to have an easy way to diff these notebooks

[tkw1536]

There is https://github.com/jupyter/nbdime. Not sure if this is something that should be integrated into GitHub directly.

[KasperZutterman]

I am aware of the nbdime tool, but in my opinion, it would be nice to have a rendered view of the cells where the diffs are shown, instead of how it is now when you make a change: